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Finding the Fourth Proportional to 618,619.60, 927,475.32 and 197,652.88

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Solution

The fourth proportional to 618,619.60, 927,475.32 and 197,652.88 is: 296,334.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,619.60 : 927,475.32 = 197,652.88 : x
  2. Step 2: Convert to fraction form
    618,619.60/927,475.32 = 197,652.88/x
  3. Step 3: Cross multiply
    618,619.60x = 927,475.32 × 197,652.88
  4. Step 4: Simplify right side
    618,619.60x = 183,318,168,126.92
  5. Step 5: Solve for x
    x = 183,318,168,126.92/618,619.60
  6. Step 6: Final answer
    x = 296,334.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.